Revert 244966 "Mojo: Remove some base/ dependencies from mojo/pu..."
Failed to build: http://build.chromium.org/p/chromium/builders/Linux/builds/46631

> Mojo: Remove some base/ dependencies from mojo/public/tests/.
> 
> mojo/public/tests/ shouldn't depend on stuff outside of public/.
> 
> (Still left to do: a couple dependencies in test_support.cc.)
> 
> R=darin@chromium.org
> 
> Review URL: https://codereview.chromium.org/139843002

TBR=viettrungluu@chromium.org

Review URL: https://codereview.chromium.org/136033006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244971 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 244971